
SIHOO
SIHOO M57 Ergonomic Mesh Office Chair, High Back Home Desk Chair with 3D Armrests, Lumbar Support and Adjustable Headrest, Comfortable Computer Chair, Big & Tall Office Chair Hold 330 LBS-Black
In stock on Amazon.com
Office chair reviews and ergonomic scores
189 chairs you can buy on Amazon.com right now, each scored from its specifications with one published formula. No guesswork and no estimates.
As an Amazon Associate I earn from qualifying purchases. We have not physically tested these chairs; scores come from manufacturer and Amazon specifications.
Enter your height and weight to see chairs whose seat height range reaches your ideal seat height (one quarter of your height) and whose weight rating covers you.
Weight is optional; without it we do not check weight ratings.
Chairs that do not list a seat height range (154 of 189) cannot be matched and are left out. Weight ratings are checked only where the seller lists one.
Every task chair gets an Ergo Score out of 100 from three pillars, plus a separate Comfort Index. A feature the seller does not list earns nothing; we never estimate.

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Amazon.com data updated October 13, 2026, 2:34 pm ET. Price and availability are accurate as of the time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply.
A better chair can help posture and comfort; it is not a medical treatment. If pain persists, see a healthcare provider. Rankings come from specifications; we have not tested these chairs in person.